Thune: U.S. needs to be patient to see growth from tax plan

After a year in the majority marked by several legislative speed bumps and dead ends, Republicans are happy with the final tax bill that's poised to pass, according to Sen. John Thune, R-S.D. Judy Woodruff asks Thune about the long-term tax increase for the middle class, doubts that the tax cuts will spur the kind of growth predicted by the GOP plan and concerns about a ballooning deficit.